Alkali-Free Synthesis of Formic Acid from CO 2 Hydrogenation on a Pd/CoAlO x Catalyst Rich in Intimate Pd 0 –CoO–AlO x Ensembles - Mengwei Li; Qian Zhang; Shiying Li; Bo Zhou; Sen Wang; Mei Dong; Jianguo Wang; Xuerong Shi; Maohong Fan; Weibin Fan (Journal of the American Chemical Society, 2026)